package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /*
    * 动态条件查询
    */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /*
    * 更新购物车数据
    * 有相同的菜品或套餐，数量+1
    */
    @Update("update shopping_cart set number =#{number} where id=#{id}")
    void updateNumberById(ShoppingCart cart);

    /*
    * 加入购物车
    */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number,amount, image, create_time) " +
            "values (#{name}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{number}, #{amount}, #{image}, #{createTime})")
    void insert(ShoppingCart shoppingCart);

    /*
    * 清空购物车
    */
    @Delete("delete from shopping_cart where user_id=#{userId}")
    void deleteByUserId(Long userId);

    /*
    * 删除数据，数量为1
    */
    @Delete("delete from shopping_cart where id=#{id}")
    void deleteById(Long id);

    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
